Rechargeable Dual Kegel Exerciser Purple from Cal Exotics. Materials Silicone, ABS Plastic. Power source USB Rechargeable, cable included. Features phthalate free, waterproof, rechargeable, vibrates. Allergens N/A. Warranty: 90 day warranty. Maximum run time 40 minutes. Maximum charging time 45 minutes. Measurements 3.5 inches by 1.25 inches Kegel. Weight bulk 2.3 ounces. Package 4.6 ounces. Package1.75 inches by 5.5 inches by 8.5 inches.